CVE-2020-15159

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 82.0% of scored records. A rank, not a probability.

NVD base score

7.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-08-28 21:55Z6 YR AGO

Last updated

2024-08-04 13:08Z2 YR AGO

Reserved

2020-06-25

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.6)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

37384b86f732e7a023b0b5f64bc8bd6721f75a32ff553229227fb050c9aca9b4

• basercms.nethttps://basercms.net/security/20200827x_refsource_MISC
• github.comhttps://github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpwx_refsource_CONFIRM
• github.comhttps://github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66dx_refsource_MISC